Oak Tree. Flickr – Marilyn Peddle.Oak tree; Live Oak picnic area. Flickr – Joshua Tree National Park.Oak trees in Eefde, the Netherlands. Flickr – Gerhard Jan Nauta.Oak in Yellow. Flickr – John Morgan.Lone Oak, Briones Regional Park – HDR. Flickr – Bud Ellison.Oak tree on Hwy 101 north of Santa Maria as the sun was coming up. Flickr – Harold Litwiler.
